Philodemus led the Augustan reaction against this invasion of literary criticism by musical theory, arguing that form and content are interrelated, and that well-expressed content, not pretty sound, is what makes poetry worthwhile. Book 2 reveals just how much and how inventively Horace drew on the ideas of all three writers in composing his Ars Poetica.
The extensive remains of this scroll, carbonized in the eruption of Vesuvius, were thoroughly jumbled after their rediscovery in the Villa of the Papyri at Herculaneum. This edition painstakingly reconstructs their original sequence according to new methods, while exploiting previously unknown manuscript sources and technologies for ordering and reading the extant pieces. In thus restoring this lengthy aesthetic treatise from antiquity, it makes another major addition to the corpus of classical literature.